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Get rid of more unnecessary intermediate collections

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Jonas Platte 2021-09-05 00:05:59 +02:00
parent 06b0c9267f
commit 910ad7fed1
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1 changed files with 33 additions and 36 deletions
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43
src/server_server.rs
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@ -1396,10 +1396,11 @@ async fn upgrade_outlier_to_timeline_pdu(
} }
if okay { if okay {
let fork_states: Vec<_> = extremity_sstatehashes let mut fork_states = Vec::with_capacity(extremity_sstatehashes.len());
.into_iter() let mut auth_chain_sets = Vec::with_capacity(extremity_sstatehashes.len());
.map(|(sstatehash, prev_event)| {
let mut leaf_state = db for (sstatehash, prev_event) in extremity_sstatehashes {
let mut leaf_state: BTreeMap<_, _> = db
.rooms .rooms
.state_full_ids(sstatehash) .state_full_ids(sstatehash)
.map_err(|_| "Failed to ask db for room state.".to_owned())?; .map_err(|_| "Failed to ask db for room state.".to_owned())?;
@ -1413,32 +1414,28 @@ async fn upgrade_outlier_to_timeline_pdu(
// Now it's the state after the pdu // Now it's the state after the pdu
} }
leaf_state let mut state = StateMap::with_capacity(leaf_state.len());
.into_iter() let mut starting_events = Vec::with_capacity(leaf_state.len());
.map(|(k, id)| (db.rooms.get_statekey_from_short(k).map(|k| (k, id))))
.collect::<Result<StateMap<_>>>() for (k, id) in leaf_state {
.map_err(|_| "Failed to get_statekey_from_short.".to_owned()) let k = db
}) .rooms
.collect::<StdResult<_, _>>()?; .get_statekey_from_short(k)
.map_err(|_| "Failed to get_statekey_from_short.".to_owned())?;
state.insert(k, (*id).clone());
starting_events.push(id);
}
let mut auth_chain_sets = Vec::new();
for state in &fork_states {
auth_chain_sets.push( auth_chain_sets.push(
get_auth_chain( get_auth_chain(&room_id, starting_events, db)
&room_id,
state.iter().map(|(_, id)| id.clone()).collect(),
db,
)
.map_err(|_| "Failed to load auth chain.".to_owned())? .map_err(|_| "Failed to load auth chain.".to_owned())?
.map(|event_id| (*event_id).clone()) .map(|event_id| (*event_id).clone())
.collect(), .collect(),
); );
}
let fork_states = &fork_states fork_states.push(state);
.into_iter() }
.map(|map| map.into_iter().map(|(k, id)| (k, (*id).clone())).collect())
.collect::<Vec<_>>();
state_at_incoming_event = match state_res::StateResolution::resolve( state_at_incoming_event = match state_res::StateResolution::resolve(
&room_id, &room_id,